CN107150443B - Print the whole 3D printer shower nozzle of variable area - Google Patents
Print the whole 3D printer shower nozzle of variable area Download PDFInfo
- Publication number
- CN107150443B CN107150443B CN201710528925.7A CN201710528925A CN107150443B CN 107150443 B CN107150443 B CN 107150443B CN 201710528925 A CN201710528925 A CN 201710528925A CN 107150443 B CN107150443 B CN 107150443B
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- China
- Prior art keywords
- head body
- slide plate
- center line
- shower nozzle
- slide plates
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
The invention discloses the whole 3D printer shower nozzle of printing variable area, it includes head body, the poly- material chamber for assembling molten condition consumptive material is provided with head body, 3D printer shower nozzle also includes two slide plates for being slideably positioned in head body side respectively, two slide plates are arranged to flex outward relative to head body center line and narrowed relative to shower nozzle center line to center, when two slide plates switch between extended configuration and contraction state, the material spray end section shape or size of head body can adjust；Two slide plates can be flexed outward relative to head body center line or shunk to head body center line under the driving of external force, the bore of slide plate 3D printer shower nozzle material spray end during motion, realize the size adjustable in printing section, compared with existing shower nozzle fixes printing section,, can be by improved efficiency several times when printing flat sheet.
Description
Technical field
The present invention relates to a kind of 3D printer, more particularly to a kind of 3D printer of adjust automatically shower nozzle caliber size.
Background technology
Existing 3D printer carries out the printing of object module, the shape of various object modules using single nozzle working method
The difference of shape and size, because the cross sectional shape fixation of single nozzle can not be adjusted, it is impossible to according to the shape of object module
Or size carries out accommodation；For example, during printing flat sheet, printing can significantly be improved by the bore for increasing shower nozzle
Efficiency, the melting consumable quantity that existing fixed bore shower nozzle sprays is relatively fewer, such as can be notable according to the shower nozzle of larger caliber
The reduction time-write interval；When printing delicate part or size small parts, the bore of shower nozzle crosses conference and has a strong impact on target mould
The precision of type, the less shower nozzle of sectional dimension can only be used.
The content of the invention
For solve the deficiencies in the prior art, it is an object of the invention to provide it is a kind of can be according to the shape and chi of object module
The 3D printer of little progress row shower nozzle sectional dimension adjustment, while improving printing effect, shorten the time-write interval, it can also be ensured that 3D
The printing precision of printer.
To realize above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.
The whole 3D printer shower nozzle of variable area is printed, it includes head body, is provided with head body for assembling
The poly- material chamber of molten condition consumptive material, 3D printer shower nozzle also include two cunnings for being slideably positioned in head body side respectively
Piece, two slide plates are arranged to flex outward relative to head body center line and received relative to shower nozzle center line to center
It is narrow, when two slide plates switch between extended configuration and contraction state, it can adjust the material spray end section shape of head body
Or size.
The further improvement of above-mentioned technical proposal.
3D printer shower nozzle also includes toggle mechanism, and the clutch end of toggle mechanism is connected to slide plate, and provides slide plate
The power switched between extended configuration and contraction state.
The further improvement of above-mentioned technical proposal.
Two above-mentioned slide plates are symmetricly set in head body side, and two slide plates are same relative to head body center line
Step is flexed outward and narrowed relative to shower nozzle center line locking to center.
The further improvement of above-mentioned technical proposal.
Slide plate includes horizontal segment, the vertical section being connected with each other, and the opening direction formed between horizontal segment and vertical section deviates
In the center line of head body, the vertical section of two slide plates forms spray towards the interval between the end face of the center line of head body
Material mouth, the horizontal segment of two slide plates and the inwall sliding contact of head body, the consumptive material of molten condition are injected into poly- material chamber
And extruded by spray material port.
The further improvement of above-mentioned technical proposal.
Slide plate also includes tilting linkage section, tilts linkage section and is arranged between horizontal segment, vertical section and for connecting water
Flat section, vertical section, two slide plates tilt linkage section towards the interval between the end face of the center line of head body, head body
The remittance material chamber connected with spray material port is enclosed between inwall, the consumptive material of molten condition is injected into remittance material intracavitary and squeezed by spray material port
Go out.
The further improvement of above-mentioned technical proposal.
The vertical section of slide plate towards on the side of head body center line offer in vertical direction arrangement draw material it is recessed
Groove.
The further improvement of above-mentioned technical proposal.
When two slide plates are in contraction state, the material groove that draws being arranged in two slide plate vertical sections encloses a section
For the spray material port of circle.
The further improvement of above-mentioned technical proposal.
The increase of interval in the vertical direction from bottom to top progressively tilted between linkage section of two slide plates, and the company of inclination
Connect to be provided with to extend along direction and be provided with section and draw material groove.
The further improvement of above-mentioned technical proposal.
It is additionally provided with head body and is connected and with poly- material chamber for injecting molten consumptive material into poly- material chamber
Linkage section, the described linkage section for being used to inject molten consumptive material into poly- material chamber are connected to the exhaust end of melting mechanism；On
The linkage section stated arranges that head body and the junction of linkage section exhaust end are provided with cone tank, perpendicular with head body coaxial line
Nogata to the lateral separation of cone tank from bottom to top progressively narrow.
The further improvement of above-mentioned technical proposal.
The open slot that the both sides of head body are respectively arranged with one and poly- material chamber is connected, and two open slots on
Head body center line is arranged symmetrically, and is respectively arranged at the slide plate and open slot shiding matching of head body side, two slide plates
It can be flexed outward in open slot in sliding process relative to head body center line and relative to shower nozzle center line to center
Narrow.
The further improvement of above-mentioned technical proposal.
It is provided with and is matched with slide plate and for being oriented to the guide groove that slide plate enters line slip in the horizontal direction, slide plate in open slot
On be provided with the guide pad to match with guide groove.
The further improvement of above-mentioned technical proposal.
Above-mentioned guide groove is shaped as right-angled trapezium, the right-angled trapezium that be shaped as and the guide groove of guide pad match, slide plate
Upper surface and open slot upper inwall shiding matching, and the height side of right-angled trapezium is in horizontally disposed and for being oriented to slide plate
Motion in the horizontal direction.
The further improvement of above-mentioned technical proposal.
The pin positioned at open slot is also equipped with head body, the chute to match with pin is additionally provided with slide plate,
When slide plate flexes outward relative to head body center line, and guide groove is with guide pad and disengaging, pin is matched with chute,
And pin can constrain slide plate and continue to flex outward when being contacted with the bottom land of chute.
The progress and advantage that the present invention obtains compared with prior art are that two slide plates can phase under the driving of external force
Flexed outward for head body center line or shunk to head body center line, slide plate is during motion
The bore of 3D printer shower nozzle material spray end, the size adjustable in printing section is realized, printing section phase is fixed with existing shower nozzle
Than, can be by improved efficiency several times when printing flat sheet, and technology provided by the invention can also further reduce and beat
Section is printed, carries out the printing of higher precision.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, the required accompanying drawing used in embodiment will be done simply below
Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people
For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the present invention.
Fig. 3 is the structural representation of melting mechanism.
The structural representation that Fig. 4 is power supply device, nozzle component, toggle mechanism match.
Fig. 5 is the structural representation that toggle mechanism matches with supporter.
Fig. 6 is the structural representation of supporter.
Fig. 7 is the structural representation of supporter.
Fig. 8 is the structural representation that toggle mechanism matches with supporter, nozzle component.
Fig. 9 is the structural representation of toggle mechanism.
Figure 10 is the structural representation of toggle mechanism.
Figure 11 is the structural representation that nozzle component is in maximum open state.
Figure 12 is the structural representation that nozzle component is in middle opening state.
Figure 13 is the structural representation that nozzle component is in minimal openings state.
Figure 14 is the structural representation of head body.
Figure 15 is the structural representation of slide plate.
It is denoted as in figure：
10th, mechanism is melted；110th, heating element heater；120th, relief hole；
20th, sleeve；
30th, power supply device；
40th, nozzle component；410th, head body；410a, linkage section；410b, poly- material chamber；410c, spray material port；410d、
Guide groove；420th, slide plate；420a, draw material groove；420b, reversed column；420c, guide pad；420d, chute；430th, pin；
50th, toggle mechanism；510th, plectrum；520th, driving lever；530th, prerotation vane；530a, crossover port；530b, guide groove；
60th, supporter；610th, annular groove a；620th, annular groove b；630th, groove；640th, centre bore；650th, locating notch；660th, lead
To breach.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art are not under the premise of creative work is made, the every other reality that is obtained
Example is applied, belongs to the scope of the present invention.
Referring to accompanying drawing 1-4, the adjustable 3D printer shower nozzle of bore, it includes supporter 60, is provided with supporter 60 molten
Melt mechanism 10, power supply device 30, nozzle component 40, melting mechanism 10 is used to pour into molten condition into nozzle component 40
Consumptive material, toggle mechanism 50 is additionally provided between power supply device 30 and nozzle component 40, power supply device 30 is with stirring machine
The power intake connection of structure 50, the clutch end of toggle mechanism 50 are connected with nozzle component 40 and can adjust nozzle component
40 material spray end section shape or size；The power provided in the present invention by power supply device 30 realizes nozzle component 40
Material spray end section shape or size adjust automatically, so as to adapt to the printing needs of different target model, improve the effect of printing
Rate, shorten the time of printing.
Above-mentioned nozzle component 40, it includes head body 410, and head body 410 is fixedly installed on supporter 60, shower nozzle
The poly- material chamber 410b for assembling molten condition consumptive material is provided with body 410, above-mentioned melting mechanism 10 can be to poly- material chamber
The consumptive material of injection molten condition in the 410b of room；Nozzle component 40 also includes the slide plate for being slideably positioned in the side of head body 410
420, slide plate 420 be arranged to flex outward relative to the center line of head body 410 and relative to the center line of shower nozzle 410 to
Center is narrowed, and the clutch end of toggle mechanism 50 is connected to slide plate 420, and provides slide plate 420 in extended configuration and contraction-like
The power switched between state；When slide plate 420 switches between extended configuration and contraction state, head body can adjust
410 material spray end section shape or size.This kind of scheme use for single slide sheet type structure（It is not shown in the drawings specific
Structure）, using this kind of structure, slide plate 420 during being subjected to displacement, will cause head body 410 nozzle end center it is inclined
From to offset the error of center deviation, it is necessary to which the control system of 3D printer, which adjusts 3D printer shower nozzle, carries out corresponding deviate simultaneously
The error is offset, can be without adjustment certainly in the case where object module required precision is not high, such as carry out food model
Printing, is simply ignored the error.
Referring to accompanying drawing 11-15, above-mentioned slide plate 420 is two and is slideably positioned in the side of head body 410 respectively, two
Individual slide plate 420 is arranged to flex outward relative to the center line of head body 410 and relative to the center line of shower nozzle 410 in
The heart narrows；The clutch end of toggle mechanism 50 is connected to two slide plates 420, and provide two slide plates 420 in extended configuration and
The power switched between contraction state；It is adjustable when two slide plates 420 switch between extended configuration and contraction state
The material spray end section shape or size of whole head body 410.
More perfectly, two above-mentioned slide plates 420 are symmetricly set in the side of head body 410, and two phases of slide plate 420
Flex outward for the center line locking of head body 410 and narrowed relative to the center line locking of shower nozzle 410 to center.This kind of side
Case use for double slide sheet type structures, the advantage is that, two slide plates are synchronously being flexed outward and synchronous narrowed to center
During, it is always ensured that the nozzle end center of head body 410 is constant, it is not necessary to which control system adjusts 3D printer shower nozzle
Carry out error concealment, the printing especially suitable for high-precision object module.When the nozzle end formed between two slide plates at intervals of
During the three times in conventional injection head section, using the structure of the present invention, the efficiency of three times can be improved, and only need consumption 1/3rd
Time-write interval, the problem of overcoming current 3D printer time-consuming, and difficulty is readily accepted by customers.
Referring to accompanying drawing 11-15, the both sides of head body 410 are respectively arranged with an opening connected with poly- material chamber 410b
Groove, and two open slots are arranged symmetrically on the center line of head body 410, are respectively arranged at the cunning of the side of head body 410
Piece 420 and open slot shiding matching, two slide plates 420 can be relative to the center of head body 410 in sliding process in open slot
Line is flexed outward and narrowed relative to the center line of shower nozzle 410 to center；It is provided with open slot and matches and use with slide plate 420
Enter the guide groove 410d of line slip in the horizontal direction in guiding slide plate 420, be provided with slide plate 420 and led with what guide groove 410d matched
To block 420c.
More perfectly, referring to accompanying drawing 14,15, above-mentioned guide groove 410d's is shaped as right-angled trapezium, guide pad 420c's
It is shaped as the right-angled trapezium to match with guide groove 410d, the upper surface of slide plate and the upper inwall shiding matching of open slot, and right angle
Trapezoidal height side is in horizontally disposed and for being oriented to the motion of slide plate 420 in the horizontal direction.
More perfectly, referring to accompanying drawing 14,15, the pin 430 positioned at open slot is also equipped with head body 410, it is sliding
The chute 420d to match with pin 430 is additionally provided with piece 420, when slide plate 420 is outside relative to the center line of head body 410
Stretching, extension, and when guide groove 410d and guide pad 420c and disengaging, pin 430 is matched with chute 420d, and pin 430 and chute
During 420d bottom land contact, slide plate 420 can be constrained and continue to flex outward.
Referring to accompanying drawing 11-15, slide plate 420 includes horizontal segment, vertical section, tilts linkage section, tilts linkage section and is arranged at water
Between flat section, vertical section and for connecting horizontal segment, vertical section, the opening direction formed between horizontal segment and vertical section deviates
In the center line of head body 410, the vertical section of two slide plates 420 is towards between the end face of the center line of head body 410
Interval forms spray material port 410c, and the inclination linkage section of two slide plates 420 is towards between the end face of the center line of head body 410
The remittance material chamber connected with spray material port 410c is enclosed between interval, the inwall of head body 410, melts mechanism 10 by molten condition
Consumptive material is injected into remittance material intracavitary and extruded by spray material port 410c；When two slide plates 420 are outwards stretched, spray material port 410c mouth
The increase of footpath progressively；When two slide plates 420 are to 410 central reduction of head body, the diminution of spray material port 410c bore progressively.
More perfectly, when two slide plates 420 are in contraction state, the vertical sections of two slide plates 420 is towards head body
The side of 410 center lines is brought into close contact, and causes spray material port 410c to be in closure state, and is converged and expected that chamber forms closed space；
Its purpose to be realized and advantage are that existing 3D printer shower nozzle when being moved by a relatively large margin, 3D printer
Shower nozzle has molten consumptive material and oozed out, so wire drawing phenomenon occurs, its chief reason or shower nozzle can not be sealed effectively
It is stifled；The enclosed construction used in the present invention, the closure of 3D printer shower nozzle can be effectively carried out, wire drawing will not be produced and showed
As.
More specifically, referring to accompanying drawing 11-15, the vertical section of slide plate 420 is towards on the side of the center line of head body 410
Offer in vertical direction arrangement draw material groove；Preferably, when two slide plates 420 are in contraction state, two are arranged at
The material groove that draws in the vertical section of slide plate 420 encloses a section as circular spray material port 410c；Its purpose to be realized with
And advantage is, it is that circular spray material port 410c is minimum size that two, which are drawn the section that material groove is formed, and it is adapted to height
The printing of the object module of precision, overcome spray material port 410c oversized, it is impossible to the problem of adapting to high-precision object printing.
More perfectly, referring to accompanying drawing 11-13, vertical direction is spaced between the inclination linkage section of two slide plates 420
On increase from bottom to top progressively, and tilt to be provided with to extend along direction and be provided with linkage section and draw material groove 420；Its purpose
Be, tilted using two and be spaced the infundibulate chamber of composition between linkage sections and be easy to poly- material, when spray material port 410c stretching, extension compared with
During large-spacing, infundibulate chamber can further ensure that molten consumptive material is filled up completely with spray material port 410c, can avoiding producing
Bubble or tomography.
More specifically, referring to accompanying drawing 11-14, be additionally provided with head body 410 connected with poly- material chamber 410b and
For injecting the linkage section 410a of molten consumptive material into poly- material chamber 410b, linkage section 410a is connected to the row of melting mechanism 10
Expect end.
More preferably, above-mentioned linkage section 410a arranges with the coaxial line of head body 410, head body 410 and linkage section
The junction of 410a exhaust ends is provided with cone tank, vertical direction from bottom to top cone tank lateral separation progressively narrow；Its
Purpose is, the interval phase that in the vertical direction incrementally increases from bottom to top between cone tank and the inclination linkage section of two slide plates
It is corresponding, in order to preferably carry out the spray material port 410c under extended configuration the filling of molten consumptive material, avoid producing dead angle.
Referring to accompanying drawing 8-10, above-mentioned toggle mechanism 50 includes being installed on supporter 60 and can be around own axis
Plectrum 510, the both ends of plectrum 510 have been respectively articulated with a driving lever 520, and the other end of two driving levers 520 is hingedly connected to install
In supporter 60 and can be around one end of the prerotation vane 530 of own axis, 530, two plectrum 510, prerotation vane driving levers 520
Quadric chain is formed, and two driving levers 520 are parallel to each other；Plectrum 510 is connected to the clutch end of power supply device 30,
Prerotation vane 530 is socketed on the outside of head body 410, and power supply device 30 is used to drive to the power that plectrum 510 provides to be dialled
Beat occurs along clockwise direction and in the counterclockwise direction for piece 510；More preferably, be provided with the center of head body 410 with
The crossover port 530a that the outer wall of head body 410 matches.When power supply device 30 drive plectrum 510 occur it is clockwise or inverse
During hour hands beat, the transmission of action edge is entered by two driving levers 520, the synchronous beat of prerotation vane 530 can be achieved.
Referring to accompanying drawing 8-13, the side that slide plate 420 deviates the center line of head body 410 is provided with vertical direction arrangement
Reversed column 420b, the circular arc guide groove 530b to match with reversed column 420b, and guide groove 530b and reversed column are provided with prerotation vane 530
420b matching can promote guide direction of the slide plate 420 along open slot towards the center line of head body 410 or deviate shower nozzle sheet
The direction motion of the center line of body 410.
More optimally, the both sides of prerotation vane 530 are respectively arranged with the circular arc guide groove 530b to match with reversed column 420b,
And a pair of circular arc guide groove 530b can promote guide direction of a pair of slide plates 420 along open slot it is synchronous towards head body 410
The direction of center line or the deviation center line of head body 410 is moved.When prerotation vane 530 occurs clockwise around own axes
Or when deflecting counterclockwise, utilize the work that offer is provided for the circular arc guide groove 530b and reversed column 420b for being arranged at prerotation vane 530
Firmly, being sprayed towards the center line of head body 410 or deviation for guide direction synchronization of a pair of slide plates 420 along open slot can be achieved
The direction of the head center line of body 410 is moved, so as to realize that spray material port 410c opening size changes.
The melt flow passage for consumptive material fusing is provided with above-mentioned melting mechanism 10, the feed end of melt flow passage is provided with
For the sleeve 20 of the conveying into melt channel, the exhaust end of melt channel and the linkage section for being arranged at head body 410
410a is connected, and melts the heating being additionally provided with mechanism 10 for providing the consumptive material in melt flow passage heat energy needed for fusing
Element 110.More preferably, it is provided with the sheet radiating piece for cooling on sleeve 20, its purpose is in order to reduce in sleeve 20
The temperature of consumptive material, avoid the consumptive material in sleeve 20 that fusing or softening occurs.
Referring to accompanying drawing 4-8, the annular groove a610 for installing plectrum 510, supporter 60 are provided with above-mentioned supporter 60
On be additionally provided with annular groove b620 for installing prerotation vane 530, annular groove a610 is conllinear with the pivot of plectrum 510, annular groove
B620 is conllinear with the pivot of prerotation vane 530, and the clutch end of above-mentioned power supply device 30 is connected to plectrum 510
It is at center and conllinear with the pivot of plectrum 510.
Accompanying drawing 5,6 is participated in, is additionally provided with supporter 60 and is connected annular groove a610 inner chambers, annular groove b620 inner chambers and be used for driving lever
520 grooves 630 passed through.
Participate in accompanying drawing 6,7, be provided with annular groove b620 center passed through for linkage section 410a and with head body 410
The centre bore 640 that outer wall matches, be additionally provided with annular groove b620 respectively positioned at the both sides of centre bore 640 and with centre bore 640
The locating notch 650 of connection, radial distribution and two locating notch 650 centers of two locating notches 650 along centre bore 640
The line of line and the line at annular groove a610 centers, annular groove b620 centers are perpendicular, are additionally provided with annular groove b620 positioned at centre bore
640 both sides and positioned at the guiding breach 660 in the outside of locating notch 650, be oriented to breach 660 connected with locating notch 650 and
The center line of breach 660 and the centerline collineation of locating notch 650 are oriented to, is provided with and locating notch 650 in head body 410
The protruding block to match, slide plate 420 match with being oriented to breach 660 and along being oriented to the guide direction of breach 660 along centre bore
640 radial motion.The cooperation of head body 410 and a pair of locating notches 650, constrain position and the spray of head body 410
Rotation around own axes can not occur for head body 410, and the motion state of slide plate 420 can further be stablized by being oriented to breach 660.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention；
A variety of modifications to these embodiments will be apparent for those skilled in the art, defined in the present invention
General Principle can not depart from the present invention spirit or scope in the case of, realize in other embodiments.Therefore, originally
Invention will not be defined to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty
Consistent most wide scope.
Claims (4)
1. print the whole 3D printer shower nozzle of variable area, it is characterised in that it includes head body, supporter, head body
Supporter is fixedly installed on, power supply device is also equipped with supporter, is provided with head body for assembling molten
The poly- material chamber of state consumptive material, 3D printer shower nozzle also include two slide plates for being slideably positioned in head body side respectively, two
Slide plate is arranged to flex outward relative to head body center line and narrowed relative to shower nozzle center line to center, two
When slide plate switches between extended configuration and contraction state, the material spray end section shape or chi of head body can adjust
It is very little；
3D printer shower nozzle also includes toggle mechanism, and the clutch end of toggle mechanism is connected to slide plate, and provides slide plate and stretching
The power switched between exhibition state and contraction state；
Two above-mentioned slide plates are symmetricly set in head body side, and two slide plates relative to head body center line locking to
It is outer to stretch and narrowed relative to shower nozzle center line locking to center；
Slide plate includes horizontal segment, the vertical section being connected with each other, and the opening direction formed between horizontal segment and vertical section deviates from spray
The center line of head body, the vertical section of two slide plates form material spray towards the interval between the end face of the center line of head body
Mouthful, the horizontal segment of two slide plates and the inwall sliding contact of head body, the consumptive material of molten condition are injected into poly- material chamber simultaneously
Extruded by spray material port；
Slide plate also include tilt linkage section, tilt linkage section be arranged between horizontal segment, vertical section and for connect horizontal segment,
Vertical section, two slide plates tilt linkage section towards the interval between the end face of the center line of head body, head body inwall
Between enclose the remittance material chamber connected with spray material port, the consumptive material of molten condition is injected into remittance material intracavitary and extruded by spray material port；
The increase of interval in the vertical direction from bottom to top progressively tilted between linkage section of two slide plates, in head body and also
The linkage section connected and be used for poly- material chamber and molten consumptive material is injected into poly- material chamber is provided with, described is used for poly-
The linkage section of injection molten consumptive material is connected to the exhaust end of melting mechanism in material chamber；Above-mentioned linkage section is total to head body
Axis arranges that the junction of head body and linkage section exhaust end is provided with cone tank, in vertical direction cone tank from bottom to top
Lateral separation progressively narrow；
The both sides of head body are respectively arranged with an open slot connected with poly- material chamber, and two open slots are on shower nozzle
Body central line is arranged symmetrically, and the slide plate and open slot shiding matching, two slide plates for being respectively arranged at head body side are being opened
It can flex outward relative to head body center line in sliding process and be narrowed relative to shower nozzle center line to center in mouth groove；
Above-mentioned toggle mechanism includes being installed on supporter and can cutting with scissors respectively around the plectrum of own axis, the both ends of plectrum
It is connected to a driving lever, the other end of two driving levers is hingedly connected to be installed on supporter and can be around the guiding of own axis
One end of piece, plectrum, prerotation vane, two driving levers form quadric chain, and two driving levers are parallel to each other；Plectrum is connected to power
The clutch end of feeding mechanism, prerotation vane are socketed on the outside of head body, the power that power supply device provides to plectrum
For driving plectrum that beat occurs along clockwise direction and in the counterclockwise direction；
The side that slide plate deviates head body center line is provided with the reversed column arranged in vertical direction, and the both sides of prerotation vane are set respectively
The circular arc guide groove to match with reversed column is equipped with, and a pair of circular arc guide grooves can promote guide direction of a pair of slide plates along open slot
Move in the synchronous direction towards head body center line or deviation head body center line；
The annular groove a for installing plectrum is provided with above-mentioned supporter, is additionally provided with supporter for installing prerotation vane
Annular groove b, annular groove a are conllinear with the pivot of plectrum, and annular groove b is conllinear with the pivot of prerotation vane, above-mentioned power supply dress
The clutch end put is connected at the center of plectrum and conllinear with the pivot of plectrum；
It is additionally provided with supporter and connects annular groove a inner chambers, annular groove b inner chambers and the groove passed through for driving lever；
The centre bore for passing through for linkage section and matching with head body outer wall is provided with annular groove b center, on annular groove b
It is additionally provided with the locating notch connected respectively positioned at centre bore both sides and with centre bore, footpath of two locating notches along centre bore
It is perpendicular to the line and the line at annular groove a centers, annular groove b centers of distribution and two locating notch center lines, on annular groove b also
Be provided with the guiding breach positioned at centre bore both sides and on the outside of the locating notch, be oriented to breach connected with locating notch and
The center line of breach and the centerline collineation of locating notch are oriented to, head body is provided with the projection to match with locating notch
Block, slide plate match with being oriented to breach and along radial motion of the guide direction along centre bore for being oriented to breach.
2. the whole 3D printer shower nozzle of printing variable area according to claim 1, it is characterised in that the vertical section of slide plate
Draw material groove in vertical direction arrangement towards offering on the side of head body center line.
3. the whole 3D printer shower nozzle of printing variable area according to claim 2, it is characterised in that two slide plates are in
During contraction state, the material groove that draws being arranged in two slide plate vertical sections encloses a section as circular spray material port.
4. the whole 3D printer shower nozzle of printing variable area according to claim 1, it is characterised in that set in open slot
Have and matched with slide plate and for being oriented to the guide groove that slide plate enters line slip in the horizontal direction, be provided with slide plate and match with guide groove
Guide pad；Above-mentioned guide groove is shaped as right-angled trapezium, the right-angled trapezium that be shaped as and the guide groove of guide pad match, slide plate
Upper surface and open slot upper inwall shiding matching, and the height side of right-angled trapezium is in horizontally disposed and for being oriented to slide plate
Motion in the horizontal direction；The pin positioned at open slot is also equipped with head body, is additionally provided with and pin phase on slide plate
The chute of matching, when slide plate flexes outward relative to head body center line, and guide groove is with guide pad and disengaging, pin and cunning
Groove is matched, and when pin contacts with the bottom land of chute, can be constrained slide plate and be continued to flex outward.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710528925.7A CN107150443B (en) | 2017-07-01 | 2017-07-01 | Print the whole 3D printer shower nozzle of variable area |
| CN201810019081.8A CN108237690A (en) | 2017-07-01 | 2017-07-01 | The control mechanism of synchronous high-precision control 3D printer nozzle exit |
Applications Claiming Priority (1)
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| CN201710528925.7A CN107150443B (en) | 2017-07-01 | 2017-07-01 | Print the whole 3D printer shower nozzle of variable area |
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| CN107150443B true CN107150443B (en) | 2018-03-30 |
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| CN201710528925.7A Active CN107150443B (en) | 2017-07-01 | 2017-07-01 | Print the whole 3D printer shower nozzle of variable area |
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| CN108478861B (en) * | 2018-04-26 | 2021-03-30 | 华南理工大学 | Needle head used for 3D printing and method for 3D printing of cylindrical single fiber with petal-shaped groove |
| CN108501360B (en) * | 2018-06-29 | 2024-02-09 | 衡阳师范学院 | 3D prints shower nozzle and contains printer of this 3D printing shower nozzle |
| FR3096294B1 (en) * | 2019-05-21 | 2022-03-18 | Safran Helicopter Engines | Variable section three-dimensional printing process |
| WO2021145818A1 (en) * | 2020-01-17 | 2021-07-22 | Nanyang Technological University | 3d printing method and apparatus with a variable-geometry nozzle |
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| CN206106386U (en) * | 2016-10-20 | 2017-04-19 | 山东科技大学 | Variable bore extrusion nozzle of FDM type 3D printer |
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| DE10047615A1 (en) * | 2000-09-26 | 2002-04-25 | Generis Gmbh | Swap bodies |
| CN103286885B (en) * | 2013-05-28 | 2016-08-03 | 三角轮胎股份有限公司 | The inner mold of tire vertical compression vulcanizer |
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| CN206106386U (en) * | 2016-10-20 | 2017-04-19 | 山东科技大学 | Variable bore extrusion nozzle of FDM type 3D printer |
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| CN107150443A (en) | 2017-09-12 |
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